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Authors: Giorgio Grasso ; Rosa Maria Gembillo and Maria Schepis

Affiliation: Facoltà di Scienze, Università degli Studi di Messina, Italy

Abstract: The quality and purity of industrially packaged foods is today of fundamental importance, given the level of expectation of consumers and the current laws imposing serious liabilities on producers. This paper presents a novel method for automatic recognition of pollutants in packaged foods for industrial applications. To maximize the contrast between foods and pollutants a dual acquisition method has been applied to obtain a pair of images taken at two different x-ray source voltages. Taking advantage from the wavelength dependence of absorption coefficient for different materials. In order to further increase the classification potential of the algorithms, the Hε color spectrum was adopted, for its high discrimination capabilities. The analysis of images is performed on-line utilizing three independent methods.Over a series of experiments each of the three strategies have given a correct classification rate of pollutants ranging from 83% to 95%. To further increase the degree of rel iability of the automatic recognition process, the three methods have been combined into a pollution coefficient. The confidence achieved on the experimental set resulted in a 92% correct classifications, for pollutants larger than 2mm. (More)

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Paper citation in several formats:
Grasso, G.; Maria Gembillo, R. and Schepis, M. (2005). Automatic Recognition of Pollutants in Packaged Foods from x-ray Imaging. In Proceedings of the 5th International Workshop on Pattern Recognition in Information Systems (ICEIS 2005) - PRIS; ISBN 972-8865-28-7, SciTePress, pages 63-72. DOI: 10.5220/0002542100630072

@conference{pris05,
author={Giorgio Grasso. and Rosa {Maria Gembillo}. and Maria Schepis.},
title={Automatic Recognition of Pollutants in Packaged Foods from x-ray Imaging},
booktitle={Proceedings of the 5th International Workshop on Pattern Recognition in Information Systems (ICEIS 2005) - PRIS},
year={2005},
pages={63-72},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002542100630072},
isbn={972-8865-28-7},
}

TY - CONF

JO - Proceedings of the 5th International Workshop on Pattern Recognition in Information Systems (ICEIS 2005) - PRIS
TI - Automatic Recognition of Pollutants in Packaged Foods from x-ray Imaging
SN - 972-8865-28-7
AU - Grasso, G.
AU - Maria Gembillo, R.
AU - Schepis, M.
PY - 2005
SP - 63
EP - 72
DO - 10.5220/0002542100630072
PB - SciTePress

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